* {
    padding: 0;
    margin: 0;
}
ul {
    list-style: none;
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    height: 40px;
    line-height: 40px;
    width: 100%;
    background-color: white;
}

ul li {
    flex: 1;
    text-align: center;
}

.active {
    color: red;
}

input {
    margin-top: 5px;
    width: 90%;
    border-radius: 5px;
    margin-left: 2px;
    padding-left: 5px;
}

dl {
    height: 40px;
    width: 100%;
    border-bottom: 1px solid black;
    padding-left: 5px;
}

dl dt {
    margin-top: 10px;
    font-size: 16px;
    color: black;
}

dl dd {
    font-size: 14px;
    color: gray;
}